The words 'house' (宇) and 'house' (宙) combine to form the word 'universe' (宇宙). Knocking on the door of the 'largest home' we live in. Korea's first 'super-realistic space educational content' that introduces Extended Reality (XR) technology, encompassing Virtual Reality (VR) and Augmented Reality (AR). Through 10 topics covering the beginning and end of the universe, we seek answers to humanity's fundamental questions.